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Liula [17]
3 years ago
6

I need help with science pls​

Chemistry
1 answer:
Vinvika [58]3 years ago
7 0

Answer: i honestly dont know that is like what 9th grade science im only a 6th grader lol

Explanation: none

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What is the name of the solid that will form from the following reaction: a
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yeild solid iron

Explanation:

When two solutions of ionic compounds are mixed, a solid may form. This type of reaction is called a precipitation reaction, and the solid produced in the reaction is known as the precipitate.

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2 years ago
According to the authors, the most effective means of developing _______________ are instrumental chemistry, microscopy, photoma
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Associative Evidence

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3 years ago
How many valance electrons are in an Adam of each element in group 15 in the periodic table
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Answer:5

Explanation:The pnictogen group, or nitrogen group, is located in column 15 of the periodic table. This family consists of the elements nitrogen, phosphorus, arsenic, antimony, bismuth, and ununpentium (N, P, As, Sb, Bi, and Uup, respectively). Each member of this family contains five valence electrons.

5 0
3 years ago
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What is the name of the thermodynamic barrier that must be overcome before products are formed in a spontaneous reaction?
Black_prince [1.1K]
Activation energy is a thermodynamic barrier that must be overcome before products are formed in a reaction. It is the minimum amount of energy needed for a reaction to occur. The energy can be in the form of kinetic or potential energy. This concept was introduced by Svante Arrhenius, which brought about the Arrhenius equation which is a formula used to determine rate of reactions.  
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Oxygen is an example of a(n)
stepladder [879]

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C. element. oxygen is an element

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oxygen is element #8

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